Home / 143,524.08-198,054.18-79,860.24

Finding the Fourth Proportional to 143,524.08, 198,054.18 and 79,860.24

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Solution

The fourth proportional to 143,524.08, 198,054.18 and 79,860.24 is: 110,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,524.08 : 198,054.18 = 79,860.24 : x
  2. Step 2: Convert to fraction form
    143,524.08/198,054.18 = 79,860.24/x
  3. Step 3: Cross multiply
    143,524.08x = 198,054.18 × 79,860.24
  4. Step 4: Simplify right side
    143,524.08x = 15,816,654,347.80
  5. Step 5: Solve for x
    x = 15,816,654,347.80/143,524.08
  6. Step 6: Final answer
    x = 110,202.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.